var daohang = document.querySelectorAll('.Extention');
var kongbai = document.querySelector('.kongbai');
var weixin = document.querySelector(".header-new-right");
weixin.addEventListener("click", function() {
    alert("请联系唯一微信：132121");
})
for (var i = 1; i < daohang.length; i++) {
    daohang[i].addEventListener('mouseover', function() {
        kongbai.style.display = 'block';

    })
    daohang[i].addEventListener('mouseout', function() {
        kongbai.style.display = 'none';
    })
}
new Vue({
    el: '#app'
})